19—The classic "Die Hard" is set to show tonight at 7: ... which he uses to contact the skeptical Los Angeles Police Department. Sgt. Al Powell (Reginald VelJohnson) is sent to investigate.

He also portrayed LAPD Sgt. Al Powell in the film Die Hard (1988), its sequel Die Hard 2 (1990), and the Chuck episode "Chuck Versus Santa Claus" (2008). Description above from the Wikipedia ...